FR31031E - - Google Patents
Info
- Publication number
- FR31031E FR31031E FR31031DA FR31031E FR 31031 E FR31031 E FR 31031E FR 31031D A FR31031D A FR 31031DA FR 31031 E FR31031 E FR 31031E
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0016—Arrangements providing connection between exchanges
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR31031E true FR31031E (en) | 1926-11-20 |
Family
ID=1362310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR31031D Expired FR31031E (en) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR31031E (en) |
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0
- FR FR31031D patent/FR31031E/fr not_active Expired